Laren Dao-Wei Tan, M.D.
NPI 1821230467ActiveIndividual· Internal Medicine, Pulmonary Disease· Loma Linda, CA
Internal Medicine, Pulmonary Disease (M.D.) in Loma Linda, California, trained at Loma Linda University School of Medicine (class of 2009). Their prescriptions cost Medicare Part D more than their services did: $1,392,403 for 1,632 claims, against $57,397 paid for services in 2024.
Overview
| NPI | 1821230467 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Mar 27, 2009 |
| Last updated in NPPES | Nov 19, 2020 |
| Certified by provider | Nov 19, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Pulmonary Disease Primary | 207RP1001X | A113182 | CA |
| Internal Medicine, Critical Care Medicine | 207RC0200X | A113182 | CA |
| Internal Medicine | 207R00000X | A113182 | CA |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Critical Care (Intensivists) (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 171 |
|---|---|
| Services billed | 578 across 38 procedure codes |
| Paid by Medicare | $57,397 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,632 · 2,356 30-day fills |
|---|---|
| Patients | 169 |
| Total drug cost | $1,392,403 |
Education and affiliations
| Medical school | Loma Linda University School of Medicine |
|---|---|
| Graduation year | 2009 |
| Medicare specialty | Critical Care (Intensivists) |
| Secondary specialties | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Faculty Physicians and Surgeons of LlusmLoma Linda, CA · 1,315 clinicians
Hospital affiliation
- Loma Linda University Medical CenterLoma Linda, CA
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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